1984480

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 4777920

約数和(自身を除く): 2793440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 157, 158, 160, 314, 316, 395, 628, 632, 785, 790, 1256, 1264, 1570, 1580, 2512, 2528, 3140, 3160, 5024, 6280, 6320, 12403, 12560, 12640, 24806, 25120, 49612, 62015, 99224, 124030, 198448, 248060, 396896, 496120, 992240, 1984480]

約数ペア:

[(1, 1984480), (2, 992240), (4, 496120), (5, 396896), (8, 248060), (10, 198448), (16, 124030), (20, 99224), (32, 62015), (40, 49612), (79, 25120), (80, 24806), (157, 12640), (158, 12560), (160, 12403), (314, 6320), (316, 6280), (395, 5024), (628, 3160), (632, 3140), (785, 2528), (790, 2512), (1256, 1580), (1264, 1570)]